60 A NEW THEORY OF EVOLUTION. 



of evolution ; but if there is a single fact 

 which, in the words of Huxley, " can be 

 shown to be inconsistent with (not merely 

 inexplicable by, but contrary to) the hypo- 

 thesis," we freely admit that our theory 

 " falls to the ground it is worth nothing." l 



1 Darwiniana, p. 463. 



